Utilities Hub

Interactive GIS Tools

Fast, client-side calculators for spectral indices, spatial measurements, coordinate transformations, and format conversions.

Spectral Index Calculators

Normalized Difference Vegetation Index

NDVI = (NIR - Red) / (NIR + Red)

NIR Value (0-1)

Red Value (0-1)

Normalized Difference Water Index

NDWI = (NIR - SWIR) / (NIR + SWIR)

NIR Value (0-1)

SWIR Value (0-1)

Enhanced Vegetation Index

EVI = 2.5(NIR-R)/(NIR+6R-7.5B+1)

NIR (0-1)

Red

Blue